Online Bio-Gas Analyzer
Application:
- Bio Gas analysis
- Digester gas research
- Engine feed gas analysis
- Sampling collection devices
Features:
- Analysis of 4 gases CH4, H2S, CO2 and O2
- Configurable in dilution mode which enables to measure H2S in 2% Vol/Vol
- Up to 4 streams.
- Single panel to analyse gas before and after scrubbing with single set of sensors
- Built in sample conditioning system
- Both auto and manual mode of operation
- H2S scrubber for prolonging CH4, CO2 and O2 sensor life
- Data logging with timestamp onto USB and customer PC
- SCADA on customer PC for monitoring, control and data logging
- Colour touch display for gas monitoring and control
- Auto Calibration
- Inbuilt diagnostic mode
- Signal retransmission both digital and 4-20mA signals
- On display trends and graphs for analysis
- Programmable alarms
- Audio and visual alarms
User settable parameters:
| Sr. No. |
Parameter |
Value |
| 1. |
O2 High Value |
30% |
| 2. |
O2 Low Value |
0% |
| 3. |
CO2 High Value |
100% |
| 4. |
CO2 Low Value |
0% |
| 5. |
CH4 High Value |
100% |
| 6. |
CH4 Low Value |
0% |
| 7. |
H2S High Value |
20000ppm |
| 8. |
H2S Low Value |
0 ppm |
| 9. |
Operating Mode |
Auto/Manual |
| 10. |
Temperature Hysteresis |
2 |
| 11. |
Temperature Set point |
2 |
| 12. |
Chiller Drain On Time |
10 |
| 13. |
Chiller Drain Off Time |
30 |
| 14. |
Sampling On Time |
10 minutes |
| 15. |
Sampling Off Time |
30 minutes |
Specifications:
| General Specification |
| Type |
PLC based Multi-Channel analyzer system for measuring gas composition in biogas |
| Components to Measure |
CH4, CO2, O2 & H2S |
| Analyzer Housing Material |
M.S with Powder coating |
| Panel Dimensions (H x W x D) |
(1385x609x304) mm |
| Mounting |
Free standing panel |
| Mounting Accessories |
Inclusive (Wiringand piping to brought till panel) |
| Weather Protection |
Suitable for Outdoorapplication, IP-55 |
| Power Supply |
230VAC, 50Hz |
| System Type |
Sampling Type |
| Technique / Type of Sensor |
| For CO2 & CH4 |
Non Dispersive Infra Red (NDIR) |
| For H2S |
Electrochemical |
| For O2 |
Electrochemical |
| Analyzer Range |
| CH4 |
0 - 100% Vol. |
| CO2 |
0 - 100% Vol. |
| H2S |
0 - 2000 PPM |
| O2 |
0 - 30% Vol. |
| Multipoint sampling system |
Provided |
| No. of Stream |
Up to 4 |
| Suction Pump |
Diaphragm Pump |
| Process connection |
1/4" tube fitting |
| Wetted Part |
SS 316/ Teflon |
| Isolation Valve for Stream |
1/2" NPT(F) |
| Tubing & Tube Fittings |
1/4" tube fitting |
| Material |
SS 316/ Teflon |
| Tubing for Calibration gas / SS316 |
1/4" tube fitting |
| Flow Indicator |
Present in the system |
| Pressure Indicator |
Not required |
| Temperature Indicator |
Displays Dew Point of treated gas stream |
| Processed Gas (Recycled / Vented) |
Vented |
| Sensor Transmitter |
| Output |
Modbus and 4 nos. (4-20) mA Analog output |
| Comm. Protocol |
Rs. 485, Modbus Protocol |
| Alarm |
High and Low alarms, user programmable |
| Local Indicator |
Touchscreen HMI |
| Display type |
TFT Display |
| Display Size |
113 x 138 x 43 mm |
| Electronic Calibration Range |
As per service condition specified |
| Sensor Characteristics For NDIR technique |
| Overall Accuracy |
± 1% of full scale or Better |
| Zero/Span drift |
± 1% of full scale in 24 hours. |
| Response Time |
< 5 sec. for 90% response |
| Repeatability |
± 2 % of reading |
| Sensor Characteristics For Electrochemical technique |
| Overall Accuracy |
± 2% of full scale or Better |
| Zero/Span drift |
1% of full scale |
| Response Time |
< 15 sec. for 90% response |
| Repeatability |
± 2% of full scale or Better |
| Other Sensor Characteristics For Electrochemical technique |
| Linearity |
+/-' 2 % of full scale |
| Rangeability |
+/-' 2 % of full scale |
| Warm up Time |
< 3min |
| Single Cycle Time for each stream |
5 mins |
| Stability |
< 3 min |
| Relative Humidity |
90% non-condensing |
| Sensor Life Expectancy |
1yr for NDIR (depending on moisture and Conc of Biogas) |
| Electromagnetic Compatibility |
Shall be as per IEC 801 |
| Calibration System |
| Calibration gas cylinder (0.5LtrCanister) |
Optional |
| Capacity |
Mini. For 1 year |
| Purging gas (Automatic/Manuel) |
Auto |
| Purging gas Medium |
Instrument Air |
| Pressure / Temperature |
ambient/ ambient |
| Zero Calibration Type (Automatic / Manuel) |
Manual |
| Zero Calibration gas |
Instrument Air |
| Pressure / Temperature |
ambient/ ambient |
| Pressure / Temperature |
ambient/ ambient |
| Options |
| Sample Conditioning System |
confirmed for dust and moisture (Chiller Unit) |
| Touch Pad/Key padoper |
Keypad |
| Power consumption |
250 W |
| Booster Pump |
Provided |
| Earthing |
Provided |
| Surge / Lightning Protection |
Provided |
| Warranty |
12 months |
| Max. distance b/w sample tapping point & analyzer for good response time |
up to 200 meter is 1/4 inch line is used for sampling line |
